Cua Fleets vs Northflank Sandboxes

Cua Fleets costs $0.044625 per vCPU-hour and Northflank Sandboxes costs $0.01667 per vCPU-hour. Cua Fleets runs gVisor. Northflank Sandboxes runs microVMs and offers GPUs.

Updated Oct 14, 2026

Cua Fleets

Hosted Linux and Windows sandboxes for computer-use agents.

Isolation: gVisor
Free tier: Not listed
Max session: Not listed

Visit site Cua Fleets profile

Northflank Sandboxes

MicroVM sandboxes for running untrusted code.

Isolation: MicroVM
Free tier: Not listed
Max session: Not listed

Visit site Northflank Sandboxes profile

What is different

7 fields differ. The rest are the same or not listed.

Field

Cua Fleets

Northflank Sandboxes

vCPU, per hour: Cua Fleets: $0.044625; Northflank Sandboxes: $0.01667
RAM, per GiB-hour: Cua Fleets: $0.0223125; Northflank Sandboxes: $0.00833
Storage: Cua Fleets: Free; Northflank Sandboxes: Volumes $0.15 per GB per month, also when paused. Ephemeral storage is included.
Largest sandbox: Cua Fleets: 8 vCPU · 32 GiB; Northflank Sandboxes: 20 vCPU · 40 GiB
Isolation: Cua Fleets: gVisor; Northflank Sandboxes: MicroVM
Pause and resume: Cua Fleets: No; Northflank Sandboxes:
SDKs: Cua Fleets: Python, TypeScript, Rust; Northflank Sandboxes: Python, JavaScript

Full comparison

18 fields, at each provider's list price

Cua Fleetscua.ai/#pricing

Northflank Sandboxesnorthflank.com/pricingnorthflank.com

Pricing

vCPU, per hour: Cua Fleets: $0.044625; Northflank Sandboxes: $0.01667
RAM, per GiB-hour: Cua Fleets: $0.0223125; Northflank Sandboxes: $0.00833
Storage: Cua Fleets: Free; Northflank Sandboxes: Volumes $0.15 per GB per month, also when paused. Ephemeral storage is included.
Free tier: Cua Fleets: Not listed; Northflank Sandboxes: Not listed
Paid plan from: Cua Fleets: Not listed; Northflank Sandboxes: Pay as you go
Billing: Cua Fleets: Per second; Northflank Sandboxes: Per second

Limits

Max session: Cua Fleets: Not listed; Northflank Sandboxes: Not listed
Idle stop: Cua Fleets: Not listed; Northflank Sandboxes: Not listed
Largest sandbox: Cua Fleets: 8 vCPU · 32 GiB; Northflank Sandboxes: 20 vCPU · 40 GiB
Concurrent sandboxes: Cua Fleets: Not listed; Northflank Sandboxes: Not listed

Platform

Isolation: Cua Fleets: gVisor; Northflank Sandboxes: MicroVM
GPU: Cua Fleets: Not listed; Northflank Sandboxes:
Snapshots: Cua Fleets: Not listed; Northflank Sandboxes: Not listed
Pause and resume: Cua Fleets: No; Northflank Sandboxes:

Developer

SDKs: Cua Fleets: Python, TypeScript, Rust; Northflank Sandboxes: Python, JavaScript
Integrations: Cua Fleets: OpenAI Agents SDK, MCP, Claude Code; Northflank Sandboxes: Not listed

Trust

License: Cua Fleets: Not listed; Northflank Sandboxes: Not listed
BYOC: Cua Fleets: Your AWS, Google Cloud, or Modal account; Northflank Sandboxes: Runs in your own cloud or VPC

Hourly cost

One sandbox running for one hour

Size

Cua Fleets

Northflank Sandboxes

1 vCPU · 2 GiB: Cua Fleets: $0.089; Northflank Sandboxes: $0.033
2 vCPU · 4 GiB: Cua Fleets: $0.179; Northflank Sandboxes: $0.067
4 vCPU · 8 GiB: Cua Fleets: $0.357; Northflank Sandboxes: $0.133

Compute only, at list rates.

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Which one fits

Based on the fields above

Cua Fleets fits when

You use the OpenAI Agents SDK, MCP or Claude Code.
You need a desktop in the sandbox.
You need SOC 2.

Northflank Sandboxes fits when

You need GPUs.
You want each sandbox in its own microVM.
You want the lower list price: $0.067 against $0.179 an hour for 2 vCPU and 4 GiB.
You need pause and resume.

More comparisons

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Cua Fleets

Northflank Sandboxes

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Cua Fleets fits when

Northflank Sandboxes fits when

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